pcsx2/plugins/GSdx/GSTextureCache9.cpp

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/*
* Copyright (C) 2007-2009 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "StdAfx.h"
#include "GSTextureCache9.h"
// GSTextureCache9
GSTextureCache9::GSTextureCache9(GSRenderer* r)
: GSTextureCache(r)
{
}
void GSTextureCache9::Read(Target* t, const GSVector4i& r)
{
if(t->m_type != RenderTarget)
{
// TODO
return;
}
const GIFRegTEX0& TEX0 = t->m_TEX0;
if(TEX0.PSM != PSM_PSMCT32
&& TEX0.PSM != PSM_PSMCT24
&& TEX0.PSM != PSM_PSMCT16
&& TEX0.PSM != PSM_PSMCT16S)
{
//ASSERT(0);
return;
}
if (!t->m_dirty.empty() || r.width() == 0 || r.height() == 0)
{
return;
}
// printf("GSRenderTarget::Read %d,%d - %d,%d (%08x)\n", r.left, r.top, r.right, r.bottom, TEX0.TBP0);
int w = r.width();
int h = r.height();
GSVector4 src = GSVector4(r) * GSVector4(t->m_texture->GetScale()).xyxy() / GSVector4(t->m_texture->GetSize()).xyxy();
if(GSTexture* offscreen = m_renderer->m_dev->CopyOffscreen(t->m_texture, src, w, h))
{
GSTexture::GSMap m;
if(offscreen->Map(m))
{
// TODO: block level write
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GSOffset* off = m_renderer->m_mem.GetOffset(TEX0.TBP0, TEX0.TBW, TEX0.PSM);
switch(TEX0.PSM)
{
case PSM_PSMCT32:
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m_renderer->m_mem.WritePixel32(m.bits, m.pitch, off, r);
break;
case PSM_PSMCT24:
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m_renderer->m_mem.WritePixel24(m.bits, m.pitch, off, r);
break;
case PSM_PSMCT16:
case PSM_PSMCT16S:
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m_renderer->m_mem.WriteFrame16(m.bits, m.pitch, off, r);
break;
default:
ASSERT(0);
}
offscreen->Unmap();
}
m_renderer->m_dev->Recycle(offscreen);
}
}
void GSTextureCache9::Read(Source* t, const GSVector4i& r)
{
// FIXME: copy was copyied from openGL. It is unlikely to work.
const GIFRegTEX0& TEX0 = t->m_TEX0;
if (GSTexture* offscreen = m_renderer->m_dev->CreateOffscreen(r.width(), r.height())) {
m_renderer->m_dev->CopyRect(t->m_texture, offscreen, r);
GSTexture::GSMap m;
GSVector4i r_offscreen(0, 0, r.width(), r.height());
if (offscreen->Map(m, &r_offscreen)) {
GSOffset* off = m_renderer->m_mem.GetOffset(TEX0.TBP0, TEX0.TBW, TEX0.PSM);
m_renderer->m_mem.WritePixel32(m.bits, m.pitch, off, r);
offscreen->Unmap();
}
// FIXME invalidate data
m_renderer->m_dev->Recycle(offscreen);
}
}